审定成绩：
成都电子机械高等专科学校
97sdd毕 业 设 计 （论 文）
设计（论文）题目：基于单片机自动豆浆机控制电路设计
系 部空心魔方 第n个空间名 称： 机电工程系
钢丝胶带* * * ** ***
专 业： 机电一体化技术
班 级： 08413
学 号： 15
* *博物馆展柜制作 * ** ***
答辩组负责人：
摘要
论文针对: 目前流行的智能豆浆机大都采用微电脑控制，只要启动豆浆机，打浆、煮浆完全自动 龙吸水设备
化，短短十几分钟就自动做好豆浆，既卫生可靠，又快捷方便。
本文介绍的智能豆浆机系统由MCS-51系列单片机、温度传感器、加热电路、防溢电路、打浆电路、报警电路等组成，豆浆生产完全自动化。其工作过程是：先将黄豆放入豆浆机内，内倒入适量的水，装好机头。接上电源，指示灯LED亮起，处于待命状态。按下功能键开始加热，当温度达到80℃左右时，停止加热；电机运转，将黄豆粉碎，而后电机停转， 又开始加热，直到豆浆第一次沸腾，停止加热，进入防溢延煮过程，防溢延煮后，发出报警声，提示豆浆已做好。若缺水，则关闭加热器和电机，并发出报警声，直到关闭电源，加水后才能继续使用。豆浆生产的工序包括打浆、煮浆、防溢延煮，而三个工序又密切配合，使生产的豆浆味道更好，不同的豆浆种类，打浆和煮浆的时间和次数都不一样。磨浆前进行预加热，既可以提高工作效率，又缩短煮浆的时间，防止磨浆后煮浆时间过长所易造成的糊锅现象。
关键词：MCS-51，豆浆机，控制系统，稳压电源。
Abstract
Thesis: most of the current popular microcomputer intelligent control of soybean milk, soybean milk as long as the start, beating, boiling syrup fully automatedOf, just ten minutes to automatically make soy milk, hygienic and reliable, and convenient.
This article describes the system consists of Intelligent Soymilk MCS-51 series microcontroller, temperature sensor, heating circuit, anti-overflow circuit, beating circuits,
alarm circuits and other components, milk production and fully automated. The working process is: first soybeans into soybean milk machine, the inside into the amount of water, install a good nose. Connect the power, LED indicator lights on standby. Press the function key to start the heating, when the temperature reaches about 80 ℃, stop heating; motor is running, the soybean crush, and then the motor stopped, they began to heat until boiling milk for the first time, stop heating, cooking process extended into the spill, extension of boiled anti-overflow, an alarm sound, suggesting that soy milk is ready. If the water, turn off the heater and motor, and the alarm will sound until the power off, add water to continue using. Milk production process, including beating, boiling syrup, anti-boiled overflow extension, while the three processes and closely with them to the production of milk taste better, different types of milk, beating and cooking time and number of pulp is not the same. Pre-heating before the refiner, can enhance the work efficiency, and shorten the cooking time of slurry to prevent the long cooking time, after grinding the paste pot could easily lead to the phenomenon.
Keywords: MCS-51, soybean milk machine, control system, power supply.
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